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In figure, AB is a potentiometer wire of length 100 cm.The cell of emf 3 V has a negligible internal resistance.What is the reading in voltmeter V, if BC is equal to70 cm?​

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/figure-987693" style="font-weight:bold;" target="_blank" title="Click to know more about FIGURE">FIGURE</a>, AB is a <a href="https://interviewquestions.tuteehub.com/tag/potentiometer-1161457" style="font-weight:bold;" target="_blank" title="Click to know more about POTENTIOMETER">POTENTIOMETER</a> wire of length <a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a> cm.</p><p>The <a href="https://interviewquestions.tuteehub.com/tag/cell-25680" style="font-weight:bold;" target="_blank" title="Click to know more about CELL">CELL</a> of emf 3 V has a negligible internal resistance.</p><p>What is the reading in voltmeter V, if BC is equal to</p><p>70 cm?</p><p></p><p></p></body></html>


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